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A128771 as a simple table

n a(n)
0 1
1 -2
2 0
3 0
4 2
5 0
6 0
7 0
8 0
9 0
10 -4
11 0
12 0
13 4
14 0
15 0
16 2
17 0
18 0
19 -8
20 0
21 0
22 8
23 0
24 0
25 2
26 0
27 0
28 -16
29 0
30 0
31 16
32 0
33 0
34 4
35 0
36 0
37 -28
38 0
39 0
40 28
41 0
42 0
43 8
44 0
45 0
46 -48
47 0
48 0
49 46
50 0
51 0
52 12
53 0
54 0
55 -80
56 0
57 0
58 76
59 0
60 0
61 20
62 0
63 0
64 -126
65 0
66 0
67 120
68 0
69 0
70 32
71 0
72 0
73 -196
74 0
75 0
76 184
77 0
78 0
79 48
80 0
81 0
82 -300
83 0
84 0
85 280
86 0
87 0
88 72
89 0
90 0

[1,-2,0,0,2,0,0,0,0,0,-4,0,0,4,0,0,2,0,0,-8,0,0,8,
 0,0,2,0,0,-16,0,0,16,0,0,4,0,0,-28,0,0,28,0,0,8,0,
 0,-48,0,0,46,0,0,12,0,0,-80,0,0,76,0,0,20,0,0,
 -126,0,0,120,0,0,32,0,0,-196,0,0,184,0,0,48,0,0,
 -300,0,0,280,0,0,72,0,0]

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Last modified August 15 10:04 EDT 2024. Contains 375173 sequences. (Running on oeis4.)